2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87701The relationship between the level of spin polarisation caused by Unruh radiation as calculated by Bell and Leinaas and that obtained from the Derbenev-Kondratenko formalism is explained.2 pages. No figures. Latex. Paper 4 of a set of 5. others are physics/9901038 physics/9901041 physics/9901042 physics/9901044Accelerator PhysicsClassical PhysicsQuantum Physicstext